ARI Series ARI SERIES  Adjustable piston ring installation tool replaces individual bore size ring compressors. One tool adjusts over approximately 0.100” ARI SERIES Part Number Product Description Price ARI2 4.000” to 4.120” $39.00 ARI4 4.125” to 4.225” $39.00 ARI6 4.225” to 4.345” $39.00 ARI8 4.345” to 4.455” $39.00 ARI10 4.455” to 4.575” $39.00 Joe Mondello Mondello Tech Center 2470 Pomona Road Crossville TN 38571 931-459-2760 888-MONDELLO (888-666-3355) All rights reserved. Mondelloฎ and all contents of this website are copyrighted and owned by Joe Mondello.